407 Arachne (Asteroid)
From South El Monte , 407 Arachne is visible in the evening sky, becoming accessible around 20:47 (PDT), 29° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:05, 32° above your southern horizon. It will continue to be observable until around 00:37, when it sinks below 21° above your south-western horizon.
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Name
407 Arachne
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Object type
Asteroid
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Current position
| Computed for: | 11 August 2026 |
| Right ascension: | 18h35m [1] |
| Declination: | −23°30' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 13.23 (V) [1] |
| Distance: | 1.73 AU 14.38 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.63 AU |
| Eccentricity: | 0.070164 |
| Inclination: | 7.52° |
| Longitude ascending node: | 294.45° |
| Argument of perihelion: | 80.87° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 270.71° |
| Absolute mag (H): | 9.16 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.44 AU |
| Aphelion: | 2.81 AU |
| Orbital period: | 4.25 years |
Source